Aneurysm of the membranous interventricular septum.
D000293:Adolescent; D000328:Adult; D000790:Angiocardiography; D006328:Cardiac Catheterization; D006348:Cardiac Surgical Procedures / Q000009:adverse effects; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006322:Heart Aneurysm / Q000151:congenital / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000209:etiology; D006326:Heart Auscultation; D006345:Heart Septal Defects, Ventricular / Q000150:complications; D006346:Heart Septum; D006352:Heart Ventricles; D006801:Humans; D007484:Iowa; D008297:Male; D008566:Membranes